Service Diagnosis
May 2011
Page 16
SCR33
User's Manual
Problem
Possible Cause and Remedy
Unit Develops Frost on Internal Surfaces.
Frost on the rear wall is normal and will melt during each off
cycle. If there is excessive build-up of 1/4” or more, manually
defrost the unit.
Ensure the door is closing and sealing properly.
High ambient temperature and excessive humidity can also
produce frost.
Unit Develops Condensation on External
surfaces
The unit is exposed to excessive humidity, moisture will
dissipate as humidity levels decrease.
Product is Freezing.
Product in contact with the rear cooling element may freeze,
ensure no product is touching the rear wall.
Adjust the temperature to a warmer set-point.
Product is Not Cold Enough.
Air temperature does not indicate product temperature.
Adjust the temperate to a cooler set-point.
Ensure unit is not located in excessive ambient temperatures
or in direct sunlight.
Ensure the door is closing and sealing properly.
Ensure nothing is blocking the front grille, found at the bottom
of the unit.
Ensure the condenser coil is clean and free of any dirt or lint
build-up.
Unit switches on and off frequently
Not enough product in the cabinet. Add bottles of liquid to
displace air in unit.
